User-friendly biplots in R
Centre for Multi-Dimensional Data Visualisation (MuViSU)
muvisu@sun.ac.za
SASA 2024
| Argument | Description |
|---|---|
data |
a dataframe or matrix containing all variables the user wants to analyse. |
classes |
a vector identifying class membership. Required for CVA biplots |
group.aes |
Variable from the data to be used as a grouping variable. |
center |
a logical value indicating whether data should be column centered, with default TRUE. |
scaled |
a logical value indicating whether data should be standardised to unit column variances, with default FALSE. |
Title |
Title of the biplot to be rendered. |
| Argument | Description |
|---|---|
bp |
Object of class biplot. |
dim.biplot |
Dimension of the biplot. Only values 1, 2 and 3 are accepted, with default 2. |
e.vects |
Which eigenvectors (principal components) to extract, with default 1:dim.biplot. |
group.aes |
If not specified in biplot() |
show.class.means |
T or F: Indicating whether group means should be plotted in the biplot. |
correlation.biplot |
T or F: Indicating whether distances or correlations between the variables are optimally approximated. |